How social media reacted to the PH general elections

Metro Manila (CNN Philippines) — Four million.

That is the estimated number of election-related tweets on the day of the polls, and the large number is no surprise given the importance and prominence of the May 9 general elections.

And netizens stayed glued to the developments throughout the day.

Twitter activity peaked at around 7:30 p.m. with 5,600 tweets zipping per minute, as Davao City Mayor Rodrigo Duterte pulled away from his rivals with a sizeable lead.

Duterte and Sen. Miriam Defensor-Santiago dominated the conversation on Twitter, accounting for the lion's share of both voice and authors throughout Election Day.

Despite being more popular as seen in her larger share of tweets than her rivals, except Duterte, the feisty legislator garnered fewer votes than Vice President Jejomar Binay, former DILG Secretary Mar Roxas, and Sen. Grace Poe.

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By the time polling stations were closing and results of the balloting started trickling in, Duterte was grabbing most of the attention of netizens.

Attention to Binay surged early as he was the first presidential candidate to cast his vote.

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Over on Facebook, transparency was the most talked about issue during the elections. According to Facebook, transparency covers corruption, crime, and constitutional reform — hot issues-of-the-day for Filipinos.

Anti-crime and battling corruption were the main planks of Duterte's platform around which his large number of supporters rallied.

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Discussions on Facebook were mainly about Duterte, but Poe conceding defeat momentarily stole the thunder from the presumptive president at the end of the day.

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Social media was abuzz because of the tight race between Sen. Bongbong Marcos and Rep. Leni Robredo.

On Facebook, Marcos and Robredo were the top topics of conversation in the evening. But the Liberal Party bet stole most of the attention as the day ended.

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And as the race became even tighter, Robredo continued to surge as the most talked about vice-presidential candidate, carrying the conversation into the early hours of the morning after.

Editor's  note: The data do not necessarily reflect either positive or negative posts for any candidate, but rather are an aggregation of interactions.